<template>
    <div>
        <!-- 面包屑区域 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片区域 -->
        <el-card class="box-card">
            <!-- 搜索与添加区 -->
            <el-row :gutter="20">
                <el-col :span="12">
                    <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="8">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区 -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index" label="序号"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态" prop="mg_state">
                    <template slot-scope="scope">
                        <!-- {{ scope.row.mg_state }} 得到mg_state 属性值-->
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180">
                    <template slot-scope="scope">
                        <el-tooltip effect="dark" content="修改角色" placement="top">
                            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="删除角色" placement="top">
                            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="分配角色" placement="top">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区 -->
            <el-pagination @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[3, 5, 10]"
            :page-size="100"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>

        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主题区 -->
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="20%" >
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input type="password" v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
        </el-dialog>

        <!-- 修改用户信息对话框 -->
        <el-dialog
        title="添加用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed">
        <!-- 内容主题区 -->
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="20%">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUser">确 定</el-button>
        </span>
        </el-dialog>

        <!-- 分配角色对话框 -->
        <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%" @close="setRoleDialogClosed">
            <div>
                <p>当前的用户：{{ userInfo.username }}</p>
                <p>当前的角色：{{ userInfo.role_name }}</p>
                <p>分配新角色：
                    <el-select v-model="selectRoleId" placeholder="请选择">
                        <el-option
                        v-for="item in rolesList"
                        :key="item.id"
                        :label="item.roleName"
                        :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <!-- 底部区域 @click="setRight"-->
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>

// import { mapState, mapMutations } from 'vuex'

export default {
    data() {
        // 验证规则
        //  邮箱验证规则
        var checkEmail = (rule, value, cb) => {
            const regEmail = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
            if(regEmail.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        //  手机号验证规则
        var checkMobile = (rule, value, cb) => {
            const regMobile = /^(13[0-9]|14[5|7]|15[0|1|2|3|4|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/;
            if(regMobile.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }

        return {
            // 获取用户列表数据
            queryInfo: {
                query: '',
                // 当前页数
                pagenum: 1,
                pagesize: 3
            },
            // 用户列表数据
            userlist: [],
            // 角色数据列表
            rolesList: [],
            total: 0,
            // 控制添加用户对话框的显示隐藏
            addDialogVisible: false,
            // // 控制修改用户对话框的显示隐藏
            editDialogVisible: false,
            // 添加用户数据
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 修改用户信息数据
            editForm: {},
            // 添加用户验证规则
            addFormRules: {
                username: [
                    { required: true, message: '请输入符合规则的用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在3~10个字符', trigger: 'blur' }
                ],
                password: [
                     { required: true, message: '请输入符合规则的密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在6~15个字符', trigger: 'blur' }
                ],
                email: [
                    { required: true, message: '请输入符合规则的邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入符合规则的手机号', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            // 修改用户验证规则
            editFormRules: {
                email: [
                    { required: true, message: '请输入符合规则的邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入符合规则的手机号', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            // 控制分配角色对话框的显示与隐藏
            setRoleDialogVisible: false,
            // 需要被分配角色的用户信息
            userInfo: {},
            // 选中的角色id值
            selectRoleId: ''
        }
    },


    created() {
        this.getUserList()
    },

    // computed: {
    //     ...mapState(['userlist', 'total'])
    // },

    methods: {
        // ...mapMutations(['setUsersList', 'setUsersTotal']),
        async getUserList() {
            const {data:res} = await this.$http.get('users', { 
                params: this.queryInfo
            })
            if(res.meta.status !== 200) {
                return this.$message.error('获取用户列表数据！')
            }
            this.userlist = res.data.users;
            this.total = res.data.total;
            // this.setUsersList(this.userlist)
            // this.setUsersTotal(this.total)
            this.$store.commit('setUsersList', res.data.users)
            this.$store.commit('setUsersTotal', res.data.total)
            
        },
        // 监听页面
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize;
            this.getUserList();
        },
        // 监听页码值
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage;
            this.getUserList();
        },
        // 监听状态改变
        async userStateChanged(userInfo) {
            const {data: res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
            if(res.meta.status !== 200){
                userInfo.mg_state = !userInfo.mg_state;
                return this.$message.error('更新用户状态失败！');
            }
        },
        // 监听添加用户表单关闭事件
        addDialogClosed() {
            this.$refs.addFormRef.resetFields();
        },
        // 添加用户信息
        addUser() {
            this.$refs.addFormRef.validate(async valid => {
                if(!valid) return
                const { data: res } = await this.$http.post('users', this.addForm);
                if(res.meta.status !== 201) {
                    return this.$message.error('添加用户状态失败！');
                }
                this.$message.success('添加用户状态成功！');
                this.addDialogVisible = false;
                // 重新获取用户列表
                this.getUserList();

            });
        },
        // 修改用户信息对话框
        async showEditDialog(id) {
            const { data: res } = await this.$http.get('users/' + id);
            if(res.meta.status !== 200) {
                return this.$message.error('查询用户信息失败！');
            }
            this.editForm = res.data
            this.editDialogVisible = true;
        },
        // 监听添加用户表单关闭事件
        editDialogClosed() {
            this.$refs.editFormRef.resetFields();
        },
        // 更新用户信息
        editUser() {
            this.$refs.editFormRef.validate(async valid => {
                if(!valid) return
                // 发起修改用户信息请求
                const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                    email: this.editForm.email,
                    mobile: this.editForm.mobile
                })
                if(res.meta.status !== 200) {
                    return this.$message.error('更新用户信息失败！');
                }
                this.editDialogVisible = false
                this.getUserList()
                this.$message.success('更新用户信息成功！');
            })
        },
        // 删除用户提示并确认
        async removeUserById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                showConfirmButton: true,
                showCancelButton: true,
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)

            if(confirmResult !== 'confirm') {
                return this.$message.info('取消删除')
            }
            const { data: res } = await this.$http.delete('users/' + id)
            if(res.meta.status !== 200) {
                return this.$message.error('删除用户信息失败')
            }
            this.$message.success('删除用户信息成功')
            this.getUserList()
        },
        // 展示分配角色对话框
        async setRole(userInfo) {
            this.userInfo = userInfo
            // 获取所有角色的列表
            const { data: res } = await this.$http.get('roles')
            if(res.meta.status !== 200) {
                return this.$message.error('获取角色列表失败！')
            }
            this.rolesList = res.data
            this.setRoleDialogVisible = true
        },
        // 点击按钮分配角色
        async saveRoleInfo() {
            if(!this.selectRoleId) {
                return this.$message.error('请选择要分配的角色！')
            }
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {rid: this.selectRoleId})

            if(res.meta.status !== 200) {
                return this.$message.error('分配角色失败！')
            }
            this.$message.success('分配角色成功！')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        // 监听分配角色对话框的关闭事件
        setRoleDialogClosed() {
            this.selectRoleId = ''
            this.userInfo = {}
        },
        
    },
}
</script>

<style lang="less" scoped>

</style>